Add 48/27 and 28/7, Solve 1 21/27 + 4 0/7 as a fraction

Add 48/27 and 28/7

1^st number: 1 21/27, 2^nd number: 4 0/7

48/27 + 28/7 is 52/9.

Find the least common denominator or LCM of the two denominators:
LCM of 27 and 7 is 189

Next, find the equivalent fraction of both fractional numbers with denominator 189
For the 1st fraction, since 27 × 7 = 189,
48/27 = 48 × 7/27 × 7 = 336/189
Likewise, for the 2nd fraction, since 7 × 27 = 189,
28/7 = 28 × 27/7 × 27 = 756/189
Add the two like fractions:
336/189 + 756/189 = 336 + 756/189 = 1092/189
1092/189 simplified gives 52/9
So, 48/27 + 28/7 = 52/9
In mixed form: 57/9

MathStep (Works offline)

Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad